[Deepsea]

Quote:

Originally Posted by FairyKing

That does sound really cool! Almost like if Chaser or Ankh or one of the other characters who were there at the start of their season's conflict was the main Rider instead of a supporting character. There's an idea I've been toying with for a while, I call it Kamen Rider Stone, that's kinda like that with the main Rider being a warrior from an ancient civilization.

You could also use a similar idea for a 'normal' isekai, with a Rider from the present getting sent to a future where their enemy is either rising again or has already conquered the world, kinda like Samurai Jack. I know Zi-O did some episodes where they went to bad futures, but that's a concept you could hang a whole series on.

Random Idea for Kamen Rider Stone there are riders named Bronze and Iron for the other ages and possibly Industrial and Digital.